Which of the following is a precipitation reaction? a) Zn (s) + 2 AgNO3 (aq) → 2 Ag (s) + Zn(NO 3) 2 (aq) b) 2 LiI (aq) + Hg 2(NO3)2 (aq) → Hg 2I2 (s) + 2 LiNO3 (aq) c) HCl (aq) + KOH (aq) → KCl (aq) + H 2O (l) d) NaCl (aq) + LiI (aq) → NaI (aq) + LiCl (aq) e) None of the above.

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced